US7226074B2 - Airbag apparatus, motorcycle with airbag apparatus - Google Patents
Airbag apparatus, motorcycle with airbag apparatus Download PDFInfo
- Publication number
- US7226074B2 US7226074B2 US11/381,501 US38150106A US7226074B2 US 7226074 B2 US7226074 B2 US 7226074B2 US 38150106 A US38150106 A US 38150106A US 7226074 B2 US7226074 B2 US 7226074B2
- Authority
- US
- United States
- Prior art keywords
- airbag
- rider
- motorcycle
- retainer
- seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J27/00—Safety equipment
- B62J27/20—Airbags specially adapted for motorcycles or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
- B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
- B60R2021/0053—Legs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
- B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
- B60R2021/0055—Pelvis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/0065—Type of vehicles
- B60R2021/0088—Cycles, e.g. motorcycles
Definitions
- the present invention relates to a technique for constituting an airbag apparatus to be mounted to a vehicle.
- the term “motorcycle” which is a typical example of the vehicle widely includes a saddle-type vehicle, that is, a vehicle of a type in which the rider is seated on a seat in a straddled manner.
- a motorcycle of a touring type having also a fuel tank in front of the rider's seat and a motorcycle of a scooter type having a space formed between the rider's seat and a head pipe for supporting a handle are both included.
- vehicles having three or more traveling wheels and are configured to allow the rider to be seated in the straddled manner for example, three-wheeled motorcycles used for pizza delivery or the like, or three- or four-wheeled buggy type motorcycles for rough-terrain traveling
- vehicles traveling with skids or caterpillars and are configured to allow the rider to be seated in the straddled manner like a snowmobile or the like are also included widely in the term “motorcycle”.
- an airbag which constitutes an airbag apparatus is deployed and inflated by being supplied with inflation gas therein by an inflation gas supply mechanism such as an inflator or the like in case of front collision of a vehicle.
- the airbag is locally deployed and inflated in terms of the vertical direction of a vehicle body in a lumbar part area of a rider protecting area formed in front of a rider for constraining the rider.
- the airbag of the present invention is not deployed and inflated in the entire rider protecting area, but is deployed and inflated intensively at a local position (local part) of the vehicle body in terms of the vertical direction, that is, the lumbar part area.
- the term “lumbar part area” in this specification designates an area near the lumbar part of the rider seated on a seat, and widely includes an area formed in the periphery, front and side of the lumbar part of the rider.
- the lumbar part area corresponds to the local position (local part) in terms of the vertical direction (in the direction of the height of the passenger) of the rider protecting area.
- the lumbar part area is defined by the area in the range formed upwardly of the knee portion (or the leg portion) of the rider seated on the seat and downwardly of the chest portion of the rider, and the airbag can be deployed and inflated within the range of the lumbar part area.
- an airbag apparatus provided with an airbag which is deployed and inflated locally in the lumbar part area as described above is constituted.
- the present invention is based on a rational technical idea such that the airbag is deployed and inflated not in the wide range over the entire rider protecting area, but only locally in the lumbar part area which is important for reliably constraining the rider.
- the airbag and the airbag apparatus for storing the airbag can be downsized.
- the thorough protection of the rider in case of vehicle accident is achieved.
- the lumbar part area is defined by an area formed upwardly of the knee portion of the rider and downwardly of the chest portion of the rider.
- the airbag is configured to be deployed and inflated within the range of the lumbar part area.
- the area formed upwardly of the knee portion of the rider and downwardly of the chest portion of the rider substantially corresponds to the center of gravity of the rider, by configuring the airbag to be deployed and inflated locally at least in this area, rising up of the rider upon such as pitching rotation of the vehicle as well as upon the vehicle collision can be reliably prevented.
- the invention according to a third form is specified as a motorcycle on which the airbag apparatus according to either the first or second forms is mounted.
- a motorcycle in which the airbag and the airbag apparatus for storing the airbag are downsized is provided. Also, the motorcycle which can achieve thorough protection of the rider upon the vehicle accident while downsizing the airbag and the airbag apparatus is provided.
- the technique of constituting the airbag in which the thorough protection of the rider upon vehicle accident is achieved while downsizing the airbag to the minimum size and the related technique thereof is achieved by employing the airbag which is deployed and inflated locally in terms of the vertical direction of the vehicle body in the lumbar part area of the rider protecting area formed in front of the rider.
- FIG. 1 is a drawing of a motorcycle 100 according to an embodiment of the present invention viewed from the side of a vehicle, showing a state in which an airbag apparatus 120 is mounted to the motorcycle 100 .
- FIG. 2 is a drawing showing a structure of the airbag apparatus 120 in FIG. 1 .
- FIG. 3 is a drawing of a state in which deployment and inflation of the airbag 122 are started viewed from the side of the vehicle.
- FIG. 4 is a drawing showing a state in which deployment and inflation of the airbag 122 are completed viewed from the side of the vehicle.
- FIG. 5 is a drawing of a state in which a rider R is constrained by the deployed and inflated airbag 122 viewed from the side of the vehicle.
- FIG. 6 is a drawing of a state in which the rider R is constrained by the deployed and inflated airbag 122 viewed from the rear of the vehicle.
- FIG. 7 is a drawing showing a state in which the rider R is constrained by the airbag 122 which is deployed and inflated locally in the lumbar part area 132 .
- FIG. 8 is a drawing showing a state of rider protection at the time of pitching rotation viewed from the side of the vehicle.
- FIG. 1 is a drawing of the motorcycle 100 according to an embodiment of the present invention viewed from the side, showing a state in which the airbag apparatus 120 is mounted to the motorcycle 100 .
- FIG. 2 is a drawing showing a structure of the airbag apparatus 120 in FIG. 1 .
- the motorcycle 100 in this embodiment corresponds to an example of the “vehicle” or the “motorcycle” in the present invention.
- the motorcycle 100 is constituted as a motorcycle of a touring type, mainly including a vehicle body structure 101 having an engine, a main frame, and so on, a seat 103 on which a rider R can be seated in a straddled manner, a handle 104 , a front wheel 111 , and a rear wheel 112 and so on.
- rider protecting area 130 An area above the vehicle body structure 101 of the motorcycle 100 in front of the rider R is defined as a rider protecting area 130 in case of front collision of the motorcycle 100 .
- the term “front collision” in this embodiment widely includes a mode in which the motorcycle 100 comes into collision with an object of collision in front thereof (not specifically shown for the sake of convenience).
- the term “rider protecting area 130 ” in this embodiment is an area corresponding to the “rider protecting area” in the present invention, and is defined as a space which extends in the direction of forward movement of the rider R when the rider R is moved forwardly of the motorcycle 100 by kinetic energy generated in case of front collision for constraining and protecting the rider R who is apt to be thrown forwardly of the motorcycle 100 .
- a front portion 102 situated on a front side of a vehicle body of the vehicle body structure 101 is provided with a headlight, various meters, and switches or the like, and the airbag apparatus 120 is provided on a rear portion of a fuel tank 105 arranged rearwardly of the front portion 102 .
- the airbag apparatus 120 of this embodiment is arranged so as to be exposed to the rider protecting area 130 of the rider R.
- the airbag apparatus 120 corresponds to the “airbag apparatus” in the present invention.
- the airbag apparatus 120 is arranged so that the direction of protrusion (deployment and inflation) of an airbag 122 (described later) which constitutes the airbag apparatus 120 is directed toward a lumbar part area 132 of the rider protecting area 130 .
- the lumbar part area 132 is a local position (local part) in terms of the vertical direction of the vehicle body (the direction of the height of the rider) of the rider protecting area 130 , and is located upwardly of the knee portion (or the leg portion) of the rider R seated on the seat 103 , which is defined by an area formed downwardly of the chest portion of the rider R.
- the lumbar part area 132 corresponds to the “lumbar part area” in the present invention.
- the airbag apparatus 120 mainly includes, as shown in FIG. 2 , a retainer 128 as an airbag storage body, the airbag 122 to be stored in the retainer 128 in a folded state, and an inflator 129 stored in an inflator storage section 128 a of the retainer 128 for supplying inflation gas into the airbag 122 so that the airbag 122 is deployed and inflated from the retainer 128 .
- the airbag 122 corresponds to the “airbag” in the present invention.
- the direction of protrusion (deployment) of the airbag 122 is indicated by an arrow 12 .
- FIG. 3 is a drawing of a state in which deployment and inflation of the airbag 122 are started viewed from the side of the vehicle.
- FIG. 4 is a drawing showing a state in which deployment and inflation of the airbag 122 are completed viewed from the side of the vehicle.
- FIG. 5 is a drawing of a state in which the rider R is constrained by the deployed and inflated airbag 122 viewed from the side of the vehicle.
- FIG. 6 is a drawing of a state in which the rider R is constrained by the deployed and inflated airbag 122 viewed from the rear of the vehicle.
- FIG. 3 is a drawing of a state in which deployment and inflation of the airbag 122 are started viewed from the side of the vehicle.
- FIG. 4 is a drawing showing a state in which deployment and inflation of the airbag 122 are completed viewed from the side of the vehicle.
- FIG. 5 is a drawing of a state in which the rider R is constrained by the deployed and inflated airbag 122 viewed
- FIG. 7 is a drawing showing a state in which the rider R is constrained by the airbag 122 which is deployed and inflated locally in the lumbar part area 132 .
- FIG. 8 is a drawing showing a state of rider protection at the time of pitching rotation viewed from the side of the vehicle.
- the rider R is apt to move (to be thrown) toward a front (for example, the direction indicated by an arrow 10 in FIG. 3 ) of the motorcycle 100 .
- the inflator 129 is activated, and the airbag 122 is started to be protruded (deployed) from the airbag apparatus 120 toward the lumbar part area 132 of the rider protecting area 130 .
- inflated portion of the airbag 122 is formed gradually from the retainer 128 side by inflation gas continuously fed into the airbag 122 .
- the state in which the airbag 122 is completely deployed and inflated is established.
- the inflated airbag 122 is filled locally in the lumbar part area 132 .
- the airbag 122 in this embodiment is not deployed and inflated in the wide range over the entire rider protecting area 130 , but deployed locally (at the local position) and intensively in the lumbar part area 132 .
- the airbag 122 filled in the lumbar part area 132 is arranged on the direction of movement of the rider R, the periphery of the lumbar part and the leg portion of the rider R who assumes a forwardly inclined posture is constrained effectively from the front, side, and above.
- FIG. 7 by deploying and inflating the airbag 122 at a position above the knee portion (the leg portion) of the rider R, rising-up of the rider R in the direction indicated by an arrow 14 in FIG.
- the constraint state of the rider R is maintained by the inflated airbag 122 .
- the airbag 122 is configured to be deployed and inflated in the lumbar part area 132 situated downwardly of the chest portion of the rider R to press and hold the femoral region of the rider R which is apt to rise upward from above in the direction indicated by the arrow 14 in FIG. 7 , the femoral region is caught by the deployed and inflated airbag 122 , and hence the rider R is reliably constrained from above upon such as the pitching rotation of the vehicle.
- the rider R can be reliably constrained, whereby the thorough protection of the rider R is achieved.
- the lumbar part area 132 formed above the knee portion of the rider R and below the chest portion of the rider R substantially matches the center of gravity of the rider R, and hence by configuring the airbag to be locally deployed and inflated at least in the lumbar part area 132 , the rising up of the rider can be reliably prevented even upon such as the pitching rotation of the vehicle as well as upon the vehicle collision.
- the structure of the airbag apparatus 120 in this embodiment is based on a rational technical idea such that the airbag 122 is deployed and inflated not in the wide range over the entire rider protecting area 130 , but only locally in the lumbar part area 132 which is important for reliably constraining the rider R.
- the airbag 122 since the airbag 122 is locally deployed and inflated in the lumbar part area 132 , it is effective for downsizing the airbag 122 and the retainer 128 or the like for storing the airbag 122 in comparison with the structure in which the airbag 122 is deployed and inflated in the wide range entirely in the rider protecting area 130 .
- the airbag 122 it is also conceivable to allow the airbag 122 to be deployed and inflated locally in an area corresponding to the shoulder portion of the rider.
- this structure it is necessary to make the airbag to be filled in the wide range, and hence the downsizing of the airbag is limited.
- the airbag 122 and the retainer 128 or the like can further be downsized. Since the constraint of the rider can be maintained while downsizing the airbag 122 and the retainer 128 or the like, the thorough protection of the rider upon vehicle accident is achieved.
- the airbag 122 can be configured to wrap around the lumbar part of the rider R to the rear side.
- the lumbar part area 132 is defined as the area formed above the knee portion (or the leg portion) of the rider R seated on the seat 103 and below the chest portion of the same, the area can be varied (enlarged or reduced) in the vertical direction as needed.
- the present invention can also be applied to other types of motorcycles such as a scooter type having a space between the handle and the seat, or to vehicles other than the motorcycle 100 .
- the airbag apparatus 120 (retainer 128 ) is arranged rearwardly of the fuel tank 105 has been described.
- the position to arrange the airbag apparatus 120 can be changed as needed.
- the airbag apparatus 120 can be arranged at a position forwardly of the position shown in FIG. 1 of the vehicle.
- the airbag apparatus 120 (retainer 128 ) can be arranged on the vehicle body at the lower portion or the front portion of the seat.
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005136646A JP4606243B2 (en) | 2005-05-09 | 2005-05-09 | Airbag device, motorcycle with airbag device |
JP2005-136646 | 2005-05-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20060249937A1 US20060249937A1 (en) | 2006-11-09 |
US7226074B2 true US7226074B2 (en) | 2007-06-05 |
Family
ID=36782520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/381,501 Expired - Fee Related US7226074B2 (en) | 2005-05-09 | 2006-05-03 | Airbag apparatus, motorcycle with airbag apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US7226074B2 (en) |
EP (1) | EP1721818A3 (en) |
JP (1) | JP4606243B2 (en) |
CN (1) | CN1861463A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8042869B2 (en) | 2007-07-13 | 2011-10-25 | Kids Ii, Inc. | Child seat liner |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4773832B2 (en) | 2006-01-25 | 2011-09-14 | タカタ株式会社 | Airbag device, motorcycle with airbag device |
JP4285571B2 (en) | 2007-09-27 | 2009-06-24 | トヨタ自動車株式会社 | Vehicle drive device |
DE102021112849A1 (en) * | 2021-05-18 | 2022-11-24 | Autoliv Development Ab | AIRBAG ARRANGEMENT FOR A DRIVER-OPERATABLE VEHICLE |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5938231A (en) | 1996-06-19 | 1999-08-17 | Honda Giken Kogyo Kabushiki Kaisha | Air bag device for a two-wheeled motor vehicle |
JP2002137777A (en) | 2000-11-01 | 2002-05-14 | Toyoda Gosei Co Ltd | Saddle type airbag device for vehicle |
JP2005008055A (en) * | 2003-06-19 | 2005-01-13 | Takata Corp | Air bag device, motorcycle with air bag device, and manufacturing method for air bag device |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5218831Y2 (en) * | 1973-03-20 | 1977-04-28 | ||
DE10117830A1 (en) * | 2001-04-10 | 2003-06-05 | Bayerische Motoren Werke Ag | An air bag assembly |
JP3739309B2 (en) * | 2001-10-19 | 2006-01-25 | 本田技研工業株式会社 | Airbag device for motorcycle |
DE10233494A1 (en) * | 2002-07-24 | 2004-02-12 | Bayerische Motoren Werke Ag | Motor cycle or tricycle has an airbag and the like, to brace the rider at chest level in an emergency, and a front wheel deflector to act on it with a side component if the wheel strikes an obstacle |
DE10247120A1 (en) * | 2002-10-09 | 2004-06-17 | Bayerische Motoren Werke Ag | Restraining system for two or three wheeled vehicles such as motorcycles for driver safety in the form of airbags in the tank region |
JP4181843B2 (en) * | 2002-10-17 | 2008-11-19 | タカタ株式会社 | Airbag device, motorcycle with airbag device, and method of manufacturing airbag device |
JP4528249B2 (en) * | 2004-11-17 | 2010-08-18 | 豊田合成株式会社 | Motorcycle airbag device and motorcycle equipped with the motorcycle airbag device |
-
2005
- 2005-05-09 JP JP2005136646A patent/JP4606243B2/en not_active Expired - Fee Related
-
2006
- 2006-04-25 EP EP06008499A patent/EP1721818A3/en not_active Withdrawn
- 2006-05-03 US US11/381,501 patent/US7226074B2/en not_active Expired - Fee Related
- 2006-05-09 CN CNA2006100794834A patent/CN1861463A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5938231A (en) | 1996-06-19 | 1999-08-17 | Honda Giken Kogyo Kabushiki Kaisha | Air bag device for a two-wheeled motor vehicle |
JP2002137777A (en) | 2000-11-01 | 2002-05-14 | Toyoda Gosei Co Ltd | Saddle type airbag device for vehicle |
JP2005008055A (en) * | 2003-06-19 | 2005-01-13 | Takata Corp | Air bag device, motorcycle with air bag device, and manufacturing method for air bag device |
Non-Patent Citations (1)
Title |
---|
Chinn, B.P. et. al. "Development and Testing of a Purpose Built Motorcycle Airbag restrain System," Fifteenth International Technical Conference on the Enhanced Safety of Vehicles, Proceedings Volume, World Congress Centre, Melbourne, Australia, May 13-16, pp. 1167-1188. |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8042869B2 (en) | 2007-07-13 | 2011-10-25 | Kids Ii, Inc. | Child seat liner |
Also Published As
Publication number | Publication date |
---|---|
CN1861463A (en) | 2006-11-15 |
EP1721818A2 (en) | 2006-11-15 |
US20060249937A1 (en) | 2006-11-09 |
EP1721818A3 (en) | 2009-11-25 |
JP4606243B2 (en) | 2011-01-05 |
JP2006312425A (en) | 2006-11-16 |
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AS | Assignment |
Owner name: TAKATA CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:MIYATA, YASUHITO;REEL/FRAME:017569/0222 Effective date: 20060424 |
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Owner name: JOYSON SAFETY SYSTEMS JAPAN K.K., JAPAN Free format text: RELEASE BY SECURED PARTY;ASSIGNOR:DEUTSCHE BANK TRUST COMPANY AMERICAS, AS SECURITY AGENT FOR THE SECURED PARTIES;REEL/FRAME:057775/0655 Effective date: 20211004 |
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